US7991425B2 - Mobile terminal device and roaming method thereof - Google Patents
Mobile terminal device and roaming method thereof Download PDFInfo
- Publication number
- US7991425B2 US7991425B2 US12/247,990 US24799008A US7991425B2 US 7991425 B2 US7991425 B2 US 7991425B2 US 24799008 A US24799008 A US 24799008A US 7991425 B2 US7991425 B2 US 7991425B2
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- US
- United States
- Prior art keywords
- mobile terminal
- terminal device
- roaming
- rqi
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- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/24—Reselection being triggered by specific parameters
- H04W36/26—Reselection being triggered by specific parameters by agreed or negotiated communication parameters
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Abstract
Description
RQI=Max_RQI−iRQI, (1)
iRQI=(((Avg_QBSS÷Max_QBSS)*Max_RQI)*0.5)+(((Roam_Freq÷Max_Freq)*Max_RQI)*0.2)+(((Retx_Rate÷Max_Retx_Rate)*Max_RQI)*0.2)+(((Avg_RSSI_Variance÷Max_RSSI_Variance)*Max_RQI)*0.1) (2)
where,
Max_RQI is the maximum value of the RQI;
Max_QBSS is the maximum value of the QBSS;
Avg_QBSS is the average value of the QBSS;
Max_Freq is the maximum roaming amount of the
Roam_Freq is current roaming amount of the
Max_Retx_Rate is the maximum packet retransmission rate of the
Retx_Rate is the current packet retransmission rate of the
Max_RSSI_Variance is the maximum RSSI variance of the
Avg_RSSI_Variance is the average RSSI variance of the
UMI=(((Avg_RSSI÷Max_RSSI)*Max_UMI)*0.35)+(((1−RSSI_Variance÷Max_RSSI_Variance)*Max_UMI)*0.3)+(((1−Beacon_Loss_Count÷Max_Beacon_Loss)*Max_UMI)*0.2)+(((1−Packet_Loss_Rate÷Max_Packet_Loss)*Max_UMI)*0.15) (3)
where,
Avg_RSSI_Variance is the average RSSI of the
Max_RSSI is the maximum value of the RSSI;
Max_UMI is the maximum value of the UMI;
RSSI_Variance is the RSSI variance of the
Max_RSSI_Variance is the maximum RSSI variance of the
Beacon_Loss_Count is the beacon loss amount of the access point in period;
Max_Beacon_Loss is the maximum value of the beacon loss of the access point;
Packet_Loss_Rate is the current packet loss rate of the mobile
Max_Packet_Loss_Rate is the maximum packet loss rate of the mobile
Claims (20)
RQI=Max_RQI−iRQI;
iRQI=(((Avg_QBSS÷Max_QBSS)*Max_RQI)*0.5)+(((Roam_Freq÷Max_Freq)*Max_RQI)*0.2)+(((Retx_Rate÷MaxRetx_Rate)*Max_RQI)*0.2)+(((Avg_RSSI_Variance÷Max_RSSI_Variance)*Max_RQI)*0.1);
RQI=Max_RQI−iRQI;
iRQI=(((Avg_QBSS÷Max_QBSS)*Max_RQI)*0.5)+(((Roam_Freq÷Max_Freq)*Max_RQI)*0.2)+(((Retx_Rate÷MaxRetx_Rate)*Max_RQI)*0.2)+(((Avg_RSSI_Variance÷Max_RSSI_Variance)*Max_RQI)*0.1);
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2008103021555A CN101610558B (en) | 2008-06-16 | 2008-06-16 | Mobile terminal device and wandering method thereof |
CN200810302155 | 2008-06-16 | ||
CN200810302155.5 | 2008-06-16 |
Publications (2)
Publication Number | Publication Date |
---|---|
US20090312014A1 US20090312014A1 (en) | 2009-12-17 |
US7991425B2 true US7991425B2 (en) | 2011-08-02 |
Family
ID=41415262
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US12/247,990 Active 2030-03-19 US7991425B2 (en) | 2008-06-16 | 2008-10-08 | Mobile terminal device and roaming method thereof |
Country Status (2)
Country | Link |
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US (1) | US7991425B2 (en) |
CN (1) | CN101610558B (en) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20090135794A1 (en) * | 2007-11-28 | 2009-05-28 | Hon Hai Precision Industry Co., Ltd. | Wireless communication terminal and roaming method |
US20110219092A1 (en) * | 2008-11-25 | 2011-09-08 | Nec Corporation | E-mail reception control system, e-mail reception control method, mobile terminal and program |
US20120170474A1 (en) * | 2011-01-04 | 2012-07-05 | General Electric Company | System and Method of Adaptive Roaming for WLAN Clients |
US9549357B2 (en) | 2013-01-22 | 2017-01-17 | Hewlett Packard Enterprise Development Lp | Promoting wireless local area network (WLAN) roaming |
US9560579B2 (en) | 2014-12-02 | 2017-01-31 | Qualcomm Incorporated | Wireless communication roaming with coexisting radio access technologies |
US9716995B2 (en) | 2013-11-22 | 2017-07-25 | Qualcomm Incorporated | Systems and methods for dynamically adjusting roaming parameters |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8014354B2 (en) * | 2008-10-17 | 2011-09-06 | Intermec Ip Corp. | Dynamically configured wireless communications, for example, in automatic data collection environment |
US8427942B2 (en) * | 2010-06-03 | 2013-04-23 | Deutsche Telekom Ag | Method, apparatus, and system for connecting a mobile client to wireless networks |
CN103067975B (en) * | 2013-01-14 | 2016-05-04 | 福建星网锐捷网络有限公司 | The load-balancing method of WLAN and device |
US9380519B2 (en) | 2013-03-13 | 2016-06-28 | Qualcomm Incorporated | Using motion to improve local wireless network connectivity |
US9161294B2 (en) | 2013-03-13 | 2015-10-13 | Qualcomm Incorporated | Using motion to optimize place of relevance operations |
US9380520B2 (en) | 2013-03-13 | 2016-06-28 | Qualcomm Incorporated | Using motion to improve local wireless network connectivity |
CN105830498B (en) * | 2014-10-20 | 2020-02-14 | 华为技术有限公司 | Target cell selection method and terminal |
US9967884B2 (en) | 2015-11-10 | 2018-05-08 | Netgear, Inc. | Dedicated backhaul for whole home coverage |
CN105704699A (en) * | 2016-03-30 | 2016-06-22 | 浪潮通信信息系统有限公司 | Displaying device, displaying system and displaying method for number of roaming users |
CN115390879B (en) * | 2022-09-14 | 2023-12-22 | 安徽长江工业大数据科技股份公司 | Method for constructing real-time management umi project code through node |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
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US5991287A (en) * | 1996-12-30 | 1999-11-23 | Lucent Technologies, Inc. | System and method for providing seamless handover in a wireless computer network |
US20020150063A1 (en) * | 2001-04-11 | 2002-10-17 | Tran Phat H. | System and method for balancing communication traffic loading between adjacent base stations in a mobile communications network |
US7120448B2 (en) * | 2001-04-06 | 2006-10-10 | Telefonaktiebolaget Lm Ericsson (Publ) | Method and system of link control |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
TW200744396A (en) * | 2006-05-26 | 2007-12-01 | Hon Hai Prec Ind Co Ltd | Mobile node and roaming method therefor, home agent and packet processing method therefor, and network communication system |
-
2008
- 2008-06-16 CN CN2008103021555A patent/CN101610558B/en not_active Expired - Fee Related
- 2008-10-08 US US12/247,990 patent/US7991425B2/en active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5991287A (en) * | 1996-12-30 | 1999-11-23 | Lucent Technologies, Inc. | System and method for providing seamless handover in a wireless computer network |
US7120448B2 (en) * | 2001-04-06 | 2006-10-10 | Telefonaktiebolaget Lm Ericsson (Publ) | Method and system of link control |
US20020150063A1 (en) * | 2001-04-11 | 2002-10-17 | Tran Phat H. | System and method for balancing communication traffic loading between adjacent base stations in a mobile communications network |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20090135794A1 (en) * | 2007-11-28 | 2009-05-28 | Hon Hai Precision Industry Co., Ltd. | Wireless communication terminal and roaming method |
US8085732B2 (en) * | 2007-11-28 | 2011-12-27 | Hon Hai Precision Industry Co., Ltd. | Wireless communication terminal and roaming method |
US20110219092A1 (en) * | 2008-11-25 | 2011-09-08 | Nec Corporation | E-mail reception control system, e-mail reception control method, mobile terminal and program |
US8615558B2 (en) * | 2008-11-25 | 2013-12-24 | Nec Corporation | E-mail reception control system, e-mail reception control method, mobile terminal and storage medium |
US20120170474A1 (en) * | 2011-01-04 | 2012-07-05 | General Electric Company | System and Method of Adaptive Roaming for WLAN Clients |
US9549357B2 (en) | 2013-01-22 | 2017-01-17 | Hewlett Packard Enterprise Development Lp | Promoting wireless local area network (WLAN) roaming |
US9716995B2 (en) | 2013-11-22 | 2017-07-25 | Qualcomm Incorporated | Systems and methods for dynamically adjusting roaming parameters |
US9560579B2 (en) | 2014-12-02 | 2017-01-31 | Qualcomm Incorporated | Wireless communication roaming with coexisting radio access technologies |
Also Published As
Publication number | Publication date |
---|---|
US20090312014A1 (en) | 2009-12-17 |
CN101610558B (en) | 2013-02-13 |
CN101610558A (en) | 2009-12-23 |
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